Complexes of alkali-metal salts, including those of chelating anions, with four macrocyclic ‘crown’ ethers

Authors:
  • NPNarinda S. Poonia
    Narinda S. Poonia
  • MTMary R. Truter
    Mary R. Truter
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Abstract
An investigation of the effect of solvent, presence of water, and ratio of reactants on the isolation of complexes between LiX (X = Br, I, NCS) with benzo-15-crown-5(1) and of NaX and KX with (1), dibenzo-18-crown-6(2), dibenzo-24-crown-8(3), and dibenzo-30-crown-10(4) has led to several new complexes, particularly those with two metal atoms to one ligand. For sodium and potassium with X = 1-nitroso-2-naphtholate, 2-nitrophenolate, 2,4-dinitrophenolate, and 2-hydroxybenzoate, complexes have been made with ligands (1)–(3). These include [(sodium 2-nitrophenolate)2(3)] and [potassium hydrogen(2-nitrophenolate)2,(1)2].